Pmacct

pmacct

http://www.ba.cnr.it/~paolo/pmacct/
'pmacct' gathers IP traffic information (bytes counter and number of packets). Aggregation of statistics is done using simple primitives (MAC addresses, IP addresses, ports, and IP protocol) that can be used alone or combined together to form complex aggregation methods. Counters are either global or historical (aggregated and separated at fixed timeslots). Data is stored in an in-memory table or using an SQL database (MySQL or PostgreSQL); recovery actions are available to avoid data loss during DB failures. Gathering packets off the wire is done using the pcap library; promiscuous mode is only set during online operations.

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